Ziphiidae

from WordNet (r) 3.0 (2006)

Ziphiidae
    n 1: beaked whales; in some especially former classifications
         included in the family Physeteridae [syn: {Ziphiidae},
         {family Ziphiidae}, {Hyperodontidae}, {family
         Hyperodontidae}]

from The Collaborative International Dictionary of English v.0.48

Ziphiidae \Zi*phi"i*dae\, prop. n.
   A natural family of cetaceans comprising the beaked whales;
   in some esp. former classifications included in the family
   {Physeteridae}.

   Syn: family {Ziphiidae}, Hyperodontidae, family
        {Hyperodontidae}.
        [WordNet 1.5]